-play MP3 digital portable speaker -fm radio, TF, USB -with lion battery -play MP3 digital portable speaker-fm radio, TF, USB -with lion batteryprotable speakerFunctions: Compatible for laptop.mp3,mobilephone, ipod,iphone ... MP3 from the TF card automatically3.5mm earphone jack1 Watt speaker ×1Power from the rechargeable lithium battery, built-in micro-USB jack for chargedLED ...